fast speed ems pcba one-stop PCBA manufacturer

fast speed ems pcba one-stop PCBA manufacturer

Product description:

pcb assembly/ pcba assembly

With 10 years experience

Good ability of cost control

Perfect quality control system

GE, Wal-Mart, IKEA Qualified Supplier

We are Shenzhen BQC electronics

Shenzhen BQC Electronic Co. , Ltd has been specialized on EMS field-PCBA manufacturing, OEM & ODM services for about 10 years. We're proud to claim us as professional China electronic PCBA manufacturer with ISO9001 certificate and RoHS compliant.

We provides a full range of services of printed circuits board assembly (PCBA) ,material procurement, box building and full turnkey solution. Our customers cover a broad range of sectors like consumer electronics, communication device, medical, industrial control and customized electronics.

BQC is commited to provide superior quality products and services that consistently meet and exceed our customers requirements on time, every time!

The Development history of BQC


1, BQC was established in 2003;
2, Introduced and implemented ERP management system;
3, Started OEM/ ODM business in Chinese market


4, Passed audit of ISO9001 quality system certification and obtained the certificate


5, conducted comprehensive regulation to raw material and production processing;
6, in the same year, international sales team being established to edxpand OEM/ ODM business globally


7, PLS series control board for laser alignment device had been successfully researched;
8, For the purpose of scale expanding, the company moved to Gongming from Longhua


9, passed the factory audit for GE


10, VOIP project has been successfully introduced


11, ODM project of intelligent cart advertising machine had been successfully developed


12, Introduced Office Anywhere office system and put it into force;
13, Passed the factory audit for SEARS


14, Introduced Performance Management System and put it into force


15, The product of million-HD digital movement has been successfully developed;
16, Became one of IKEA's qualified suppliers

BQC offers a wide range of PCBA services including:

Communication device PCB Assembly

Medical Device PCB Assembly

Commercial Equipment PCB Assembly

Industrial Equipment PCB Assembly

full turnkey manufacturing

customized contract manufacturing services

Electronic device box build

Low volume high mix PCB Assembly

PCBA prototype

Conformal coating service

Complex hardness/ cable assembly

Project process

quote→sample order→make samples&sample reliable test→sample conclusion or revise→trial production→trail production conclusion→customer confirm the trail production report→sample confirmation play trail order→mass production→delivery→mass production conclusion

One Stop PCB Assembly / PCBA Contract Manufacturing Service

Material Receiving → Incoming Quality Control (IQC) → Stock →Material to SMT → SMT Line Loading →Solder Paste/ Glue Printing → Chip Mount →Reflow → 100% Visual Inspection → Automated Optical Inspection (AOI) → SMT QC Sampling → SMT Stock →Material to PTH → PTH Line Loading →Plated Through Hole → Wave Soldering → Touch Up → 100% Visual Inspection → PTH QC Sampling → In-Circuit Test (ICT) → Final Assembly →Functional Test (FCT) → Packing → OQC Sampling →Shipping

Our pcba manufacturing capacity

Our solutions include surface mount (SMT) , through-hole (PTH) and mixed technology assemblies. Our SMT lines consist of fully automatic, vision screen printers, multifunctional high-speed Juki placement machines, automated optical inspection (AOI) and seven zone convection reflow ovens. These Juki lines offer a high level of flexibility and throughput enhanced by the on-staff support of two former Juki technicians. You just won't experience down time!

1) SMT Workshop

8 completely automated SMT production lines, the daily production capacity of which is 4 million dots per day.

2) dip workshop

2 DIP manual insertion production lines while the daily production capacity is 0.5 million dots per day.

3) manual soldering

2 manual soldering lines and the daily production capacity is 0.18million dots per day.

4) box building

1 assembly line which makes we can operate box building and package assembly for a variety of electronic products.

5) product functional test

2 product functional test lines product cannot be delivered before they are conducted 100% functioned test and verified to be qualified.

6) other manufacturing capabilities

BQC also has rich experiences in flexible PCBA assembly, PCBA potting adhesive, PCBA moisture-proof coating paint, IC binding and other parts.

Our PCBA equipment

JUKI-2070LV Chip Mounter 1 set

Reflow Soldering Oven 4 sets

Auto Loader &auto-printing machine both 6 sets

Wave soldering oven

ICT machine

AOI Detector 3 sets

Auto Solder Paste Printing Machine 6 sets

FUJI QP42 Chip Mounter 3 Sets

FUJI GP643 Chip Mounter 4 sets

JUKI KE-2050CM Chip Mounter 2 sets

JUKI KE-2060M Chip Mounter 1 set

Auto Picking Machine 4 sets

our machines can do the following components perfect.

01005, 0201, 04020603080512062512


Mounting operational capacity parameters

Pcb dimension: 50*50mm-457*356mm

Pcb layer: 1-16layers

Pcb thickness: 0.3mm-6.0mm

Chip accuracy: laser recognition±0.05mm; image recognition±0.03mm

Mounting speed: 0.09s/ piece

Component size: 0.6*0.3mm-33.5*33.5mm

Component height: 6mm (max)

Pin spacing: laser recognition over 0.65mm; high resolution VCS 0.2mm

Spherical surface spacing: laser recognition over 1.0; high resolution VCS 0.25mm

Detailed Specification of PCBA Manufacturing


1-22 layer


FR-1, FR-2, FR-4, CEM-1, CEM-3, Hight TG, FR4 Halogen Free

Board thickness


Max panel size


Min. drilled hole size


Min. line width

0.075mm (3mil)

Min. line spacing

0.075mm (3mil)

Surface finish/ treatment

HASL/ HASL lead free, Chemical tin, Chemical Gold, Immersion gold Immersion Silver/ Gold, Osp, Gold Plating

Copper thickness

0.5oz Min. , 5.0oz Max

Solder mask color

green/ black/ white/ red/ blue/ yellow

Inner packing

Vacuum packing, Plastic bag

Outer packing

standard carton packing

Hole tolerance

PTH: ±0.076, NTPH: ±0.05


ISO9001, ISO14001, ISO/ TS16949, ROHS

Profiling punching

Routing, V-CUT, Beveling

Assembly Service

Providing OEM service to all sorts of printed circuit board assembly

PCBA dimension

457x567cm (max) ;4x3cm (min)

IC pitch




Pcba Quality Assurance

Certification : ISO 9001, RoHS

Quality controlling posts: IQC (Incoming Quality Control) ,IPQC (InPut Process Quality Control) ,OQC (Outgoing Quality Control) ,QA (Quality Assurance) ,QE (Quality Engineer)

Pcba Supply Chain Management

We have obtained right to import and export in 2007 and got customs manual in 2011. with the qualifications of operating imports and exports as well as processing trade, so we are enabled to better service our global customers and further exploit our global market.

PCBA Testing

BQC EMS's offers in-circuit and functional testing of electronic assemblies. Our Test Engineering Department is staffed by electrical engineers and technicians with years of experience building test equipment and developing effective test methodologies. We can utilize your existing test fixtures or design them ourselves. Either way, we will make sure that your finished product will meet or exceed your quality and performance requirements.

PCBA Standards Conformance

We will test your product to certify that it meets UL safety standards as well as conforms to the appropriate IPC workmanship standards (Class II or Class III) . BQC EMS also offers RoHS design and manufacturing services.

Our PCBA advantages:

Since the establishment of the company, we have already provided professional OEM, ODM services to over 60 customers worldwide and also offered more than 100kinds of electronic products with high reliability and cost performance which covers medical electronics, industrial electronics, communication electronics, automotive electronics, commercial electronics, individual consumption electronics and other many area.

Our team have also accumulated professional experiences in EMS industry, being reflected in the following aspects:

1, sourcing and verification ability for substitute parts and components, that means we have good quality of cost control.

2, optimization ability of product manufacturing tecniquies.

BQC has already had over 10 years of manufacturing and processing experiences in electronic products and 8years of operating experiences for ISO9001 quality management system. We have perfect quality control system, and we are GE, Wal-Mart, IKEA Qualified Supplier

3, the capability to conduct long-term reliability experiment to products

Why choose us

1) Experienced research engineers

2) Location advantage: Shenzhen have complete electronic chain and is the N0. 1 EC market in Asia.

3) Purchase advantage: Mature and reliable components supply chain

4) We have passed the factory audit for GE, SEARS, WAL-MART and have became one of IKEA's qualified suppliers.

5) Open BOM quation (You can see each components price in Our quotation)

Quote requirement

PCB Gerber file

BOM list of electronic components

If you have any questions, please feel free to contact us.

BQC is commited to provide superior quality products and services that consistently meet and exceed our customers requirements on time, every time!